Arfora, Seeker of Strength

When Arfora, Seeker of Strength enter into
the battlefield find 2 forests in your deck and
put into the battlefield taped.
In the beginning of your upkeep you may exile 3
lands you control, if you did put a 4/4 green
Mosse creature token with trumple into the battlefield, in the begginning of your end step
return the lands exiled this way to the battlefield
taped.